The Asics Women's Gel-DS Sky Speed Running Shoes is a superior, race-inspired training flat, this 9.8-ounce gem is pure performance. Features ASICS® Impact Guidance System (I.G.S.®) and a neutral platform, to allow high-mileage training, with an enhanced Biomorphic Fit® Upper for superior comfort. Bottom line the Asics Women's Gel-DS Sky Speed Running Shoes can take the long runs, the short runs and that race.